20973456

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{20807}}^1$

素因数の和:20828

約数の個数: 60

約数和(自身を含む): 67084992

約数和(自身を除く): 46111536

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 63, 72, 84, 112, 126, 144, 168, 252, 336, 504, 1008, 20807, 41614, 62421, 83228, 124842, 145649, 166456, 187263, 249684, 291298, 332912, 374526, 436947, 499368, 582596, 749052, 873894, 998736, 1165192, 1310841, 1498104, 1747788, 2330384, 2621682, 2996208, 3495576, 5243364, 6991152, 10486728, 20973456]

約数ペア:

[(1, 20973456), (2, 10486728), (3, 6991152), (4, 5243364), (6, 3495576), (7, 2996208), (8, 2621682), (9, 2330384), (12, 1747788), (14, 1498104), (16, 1310841), (18, 1165192), (21, 998736), (24, 873894), (28, 749052), (36, 582596), (42, 499368), (48, 436947), (56, 374526), (63, 332912), (72, 291298), (84, 249684), (112, 187263), (126, 166456), (144, 145649), (168, 124842), (252, 83228), (336, 62421), (504, 41614), (1008, 20807)]